Question

A man buys two chairs for a total cost of 900 . by selling for 4/5 of its cost and the other for 5/4 of its cost, he makes a profit of rs 90 on the whole transaction. the whole transaction. the cost of the lower priced chair is

Answer 1

x+y= 900
25x + 25y = 22500 -------------------------------- (1)
--------------
4x/5 + 5x/4 = 900+90
16x +25y= 19800 ------------------------(2)

(2)-(1) = 25x +25y = 22500
- 16x + 25y = 19800
_______________
9x = 2700
x= 300

cost of lower priced chair = Rs.300

Answer 2

cost of lower priced chair is 300.
and cost of high priced chair is 600.
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